00310nam a2200109Ia 4500082001900000100001600019245009200035260004700127300001600174500000500190700000500195  a330.1bM645.PP  aMill, J. S.  aPrinciples of political economy, with some of their applications to social philosophyb  aTorontobUniversity of Toronto Pressc1965  axciv, 451p.  a  a